Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waxing Gibbous 82%

12:34

03:38

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good

Sun - Rise: 08:16, Set: 16:20, Transit: 12:18. Moon - Rise: 12:34, Set: 03:38. Civil Dark: 16:59 - 07:37. Nautical Dark: 17:41 - 06:55. Astro Dark: 18:20 - 06:16

Total Clouds (% Sky Obscured)

98
94
100
95
65
92
97
100
98
74
61
69
63
59
44
46
48
25
16
20
21
5
0
5

Low Clouds (% Sky Obscured)

59
70
36
51
51
74
68
76
59
64
61
68
60
56
44
38
34
8
3
12
17
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
94
97
94
65
92
97
100
98
74
61
68
55
55
44
33
48
25
16
20
21
5
0
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
2
3
7
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
5
4
4
5
2
2
2
3
2
2
2
2
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
12
12
11
11
11
13
13
14
14
15
16
16
16
15
14
13
12
11
10
9
8

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
4
4
3
3
3
3
4
4
4
5
5
4
4
3
3
2
2
2

Feels Like (°C)

-3
-2
-2
-2
-2
-3
-2
-2
-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-2
-2
-3
-2
-2

Dew Point (°C)

1
1
1
1
0
-0
-0
0
-2
-2
0
0
-0
-0
-1
-0
-1
-1
-1
-2
-2
-3
-2
-2

Relative Humidity (%)

79
79
80
80
80
79
75
75
71
69
80
80
76
73
71
70
68
67
69
69
68
69
74
78

Pressure (mb)

1029
1030
1030
1030
1030
1030
1030
1030
1031
1032
1032
1033
1033
1034
1034
1033
1033
1033
1033
1033
1034
1034
1034
1034

Ozone (du)

274
273
276
274
276
278
279
281
284
284
284
286
287
290
292
294
293
293
297
300
300
299
298
299

Tuesday 30

Waxing Gibbous 91%

13:04

05:09

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK
21 Good

Sun - Rise: 08:16, Set: 16:21, Transit: 12:18. Moon - Rise: 13:04, Set: 05:09. Civil Dark: 16:59 - 07:38. Nautical Dark: 17:41 - 06:56. Astro Dark: 18:21 - 06:16

Total Clouds (% Sky Obscured)

3
1
1
2
2
1
0
0
2
1
1
1
3
4
4
4
4
3
4
6
3
6
19
10

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
1
1
2
2
1
0
0
2
1
1
1
3
3
2
2
2
3
4
4
3
5
12
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
6
6
6
5
5
5
4
4
4
4
3
2
2
2
2
2
2
3
3
3
3
3

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
0
-0
-1
-1
-1
-0
2
3
3
3
3
2
1
0
-1
-0
-1

Feels Like (°C)

-2
-2
-1
-1
-1
-2
-2
-3
-2
-3
-3
-3
-1
1
1
2
3
3
1
-1
-2
-2
-1
-2

Dew Point (°C)

-1
-1
-0
-0
0
-1
-1
-1
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-2
-2
-2
-3
-2
-3

Relative Humidity (%)

83
88
89
91
91
91
91
91
91
89
89
87
81
74
68
67
64
72
78
84
86
86
87
86

Pressure (mb)

1034
1034
1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032
1031
1031
1030
1030
1029
1029
1029
1028
1028
1027

Ozone (du)

300
300
303
305
305
307
307
308
310
313
314
313
310
309
308
309
309
309
312
311
311
312
313
316

Wednesday 31

Waxing Gibbous 88%

13:47

06:38

22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 OK

Sun - Rise: 08:16, Set: 16:22, Transit: 12:19. Moon - Rise: 13:47, Set: 06:38. Civil Dark: 17:00 - 07:37. Nautical Dark: 17:42 - 06:56. Astro Dark: 18:22 - 06:16

Total Clouds (% Sky Obscured)

36
43
61
85
88
86
88
85
84
85
47
58
24
55
91
87
88
57
54
42
37
35
32
30

Low Clouds (% Sky Obscured)

0
0
0
55
59
57
65
84
83
83
43
55
24
55
89
85
88
57
54
42
37
35
32
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
41
52
72
75
70
73
48
34
40
2
7
0
1
2
0
0
0
1
2
2
2
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
3
2
5
3
2
4
3
3
2
4
6
17
4
5
3
2
2
1
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
5
5
6
7
8
9
9
9
10
10
8
6
6
5
5
5
5

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
0
1
1
2
2
3
3
3
3
4
5
5
5
4
2
2
2
2
2

Feels Like (°C)

-2
-2
-3
-3
-4
-4
-3
-2
-1
-1
-0
0
-1
1
0
0
1
2
2
1
1
0
0
0

Dew Point (°C)

-3
-3
-3
-2
-2
-1
-1
-0
-1
-0
1
1
0
-1
0
1
1
1
2
1
1
0
0
-1

Relative Humidity (%)

87
87
87
89
91
91
91
89
84
86
89
88
83
76
76
78
76
79
89
93
93
91
88
84

Pressure (mb)

1026
1025
1025
1024
1023
1022
1021
1020
1019
1019
1018
1018
1018
1018
1017
1016
1015
1015
1015
1015
1015
1015
1016
1016

Ozone (du)

318
317
317
317
317
319
317
319
320
316
314
316
322
324
320
318
312
307
301
300
300
305
311
315

Thursday 1

Waxing Gibbous 97%

14:50

07:54

22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 OK

Sun - Rise: 08:16, Set: 16:23, Transit: 12:19. Moon - Rise: 14:50, Set: 07:54. Civil Dark: 17:01 - 07:37. Nautical Dark: 17:43 - 06:56. Astro Dark: 18:23 - 06:16

Total Clouds (% Sky Obscured)

36
39
48
63
73
75
74
74
73
70
68
60
56
58
68
62
78
78
33
81
75
74
72
14

Low Clouds (% Sky Obscured)

26
20
31
41
52
56
59
63
61
57
56
49
45
44
53
56
71
71
33
68
57
42
30
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
2
2
2
3
3
0
0
4
9
33
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
2
2
1
4
4
2
6
5
1
4
4
2
5
7
14
14
20
40
35
19
13
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
3
3
3
3
3
3
3
4
5
6
7
7
7
6
7
6
7
9

Chance of Frost

Temperature (°C)

2
1
1
1
1
1
1
1
1
1
1
1
2
3
4
4
3
3
3
2
1
1
1
-0

Feels Like (°C)

1
-2
-2
-3
-2
-1
-2
-2
-2
-2
-1
-2
-1
-1
-1
-1
-1
-1
-2
-1
-3
-4
-5
-6

Dew Point (°C)

-1
-2
-3
-4
-4
-3
-3
-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-1
0
0
-0
-2
-3

Relative Humidity (%)

83
81
76
70
71
73
74
76
73
76
77
76
74
72
73
73
75
73
77
88
91
91
83
84

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1012
1011
1011
1011
1010
1010
1009
1008
1007
1006
1006
1005
1005
1004
1005
1005
1005

Ozone (du)

314
310
306
302
300
298
297
294
288
284
283
282
280
281
281
278
280
280
284
288
292
298
312
328

Friday 2

Waxing Gibbous 100%

16:10

08:52

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
20 Good
21 Good

Sun - Rise: 08:16, Set: 16:24, Transit: 12:20. Moon - Rise: 16:10, Set: 08:52. Civil Dark: 17:02 - 07:37. Nautical Dark: 17:44 - 06:56. Astro Dark: 18:24 - 06:16

Total Clouds (% Sky Obscured)

7
2
2
1
1
0
5
40
18
15
21
31
39
45
53
52
60
45
39
29
25
15
6
5

Low Clouds (% Sky Obscured)

2
1
1
0
0
0
1
7
8
15
21
28
32
39
26
13
0
16
30
29
25
15
6
5

Medium Clouds (% Sky Obscured)

6
0
0
0
0
0
2
35
10
0
0
10
16
20
31
38
42
25
15
7
13
15
6
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
1
1
1
1
4
16
5
5
7
4
6
6
3
11
11
6
9
8
4
6
6
4
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
7
6
6
6
5
5
5
7
7
7
8
10
10
10
11
10
9
8
7
6
6

Chance of Frost

Temperature (°C)

-2
-2
-3
-3
-3
-3
-3
-3
-2
-3
-3
-3
-1
-0
1
0
0
0
-1
-1
-2
-3
-3
-3

Feels Like (°C)

-5
-5
-5
-5
-6
-5
-5
-4
-6
-5
-5
-5
-4
-3
-4
-4
-4
-4
-5
-4
-5
-6
-7
-7

Dew Point (°C)

-4
-4
-5
-5
-6
-7
-7
-6
-5
-5
-4
-4
-4
-5
-5
-5
-5
-5
-6
-6
-6
-7
-7
-8

Relative Humidity (%)

83
84
81
81
76
75
72
76
82
86
91
92
80
71
67
69
69
70
71
72
74
73
72
71

Pressure (mb)

1005
1006
1006
1006
1006
1006
1005
1005
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1009

Ozone (du)

335
337
340
341
345
352
357
367
384
385
384
384
383
382
378
380
382
384
377
370
364
358
352
347

Saturday 3

Full Moon 99%

17:38

09:31

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 08:16, Set: 16:25, Transit: 12:20. Moon - Rise: 17:38, Set: 09:31. Civil Dark: 17:04 - 07:37. Nautical Dark: 17:45 - 06:55. Astro Dark: 18:25 - 06:16

Total Clouds (% Sky Obscured)

1
3
4
4
2
3
3
2
2
1
12
14
13
17
20
22
24
17
8
0
10
20
30
39

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
1
1
1
5
8
11
14
18
20
23
17
8
0
10
20
30
39

Medium Clouds (% Sky Obscured)

1
3
4
4
0
0
0
0
0
1
1
1
1
1
1
1
1
9
8
0
10
20
30
39

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
6
5
6
8
9
9
9
9
6
3
0
2
3
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Light Rain
Light Rain

Precipitation Probability (%)

10
6
9
8
3
4
4
3
12
14
14
17
17
15
18
18
15
23
40
59
68
77
86
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.3
0.5
0.6
0.4

Wind Speed/Direction (mph)

6
6
7
7
7
7
7
6
5
5
5
4
6
7
8
9
11
12
11
10
10
11
13
15

Chance of Frost

Temperature (°C)

-3
-3
-4
-4
-3
-4
-3
-4
-3
-3
-4
-3
-2
-1
0
1
1
1
1
0
0
-1
-0
1

Feels Like (°C)

-7
-6
-7
-7
-7
-7
-6
-7
-7
-6
-6
-5
-6
-6
-7
-1
-2
-3
-3
-3
-3
-6
-6
-6

Dew Point (°C)

-7
-7
-7
-8
-7
-8
-8
-8
-8
-7
-6
-4
-4
-4
-5
-4
-4
-4
-3
-2
-1
-1
-1
-1

Relative Humidity (%)

72
73
75
73
73
72
71
69
68
76
84
96
84
77
69
70
71
73
80
88
96
94
92
91

Pressure (mb)

1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

347
348
348
348
349
350
351
352
353
355
357
359
355
351
347
347
346
346
347
349
351
351
351
352

Sunday 4

Waning Gibbous 96%

19:07

09:57

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK

Sun - Rise: 08:15, Set: 16:26, Transit: 12:21. Moon - Rise: 19:07, Set: 09:57. Civil Dark: 17:05 - 07:37. Nautical Dark: 17:46 - 06:55. Astro Dark: 18:26 - 06:16

Total Clouds (% Sky Obscured)

49
58
57
55
54
56
57
59
61
62
62
61
62
62
65
64
55
51
34
22

Low Clouds (% Sky Obscured)

49
58
57
55
53
55
57
58
60
61
61
60
59
57
58
63
55
51
34
22

Medium Clouds (% Sky Obscured)

40
20
12
7
1
1
0
0
1
3
6
19
36
50
53
51
36
23
18
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
0
1
3
5
6
6
4
14
21
22

ISS Passover

Visibility (miles)

5
5
5
6
8
9
6
4
1
4
7
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
35
28
20
10
17
19
18
22
21
15
22
26
24
32
32
20
28
26
12

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
9
9
9
7
7
7
6
6
6
6
6
7
7
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

0
-0
-0
-1
-1
-1
-2
-2
-2
-1
-2
-1
-1
0
1
2
2
1
1
1

Feels Like (°C)

-6
-5
-3
-6
-5
-4
-5
-5
-5
-4
-4
-4
-5
-5
-5
-0
0
-1
-0
1

Dew Point (°C)

-1
-2
-2
-2
-2
-2
-3
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-1
-1

Relative Humidity (%)

91
89
91
92
92
92
92
96
96
96
98
96
91
86
80
83
84
84
86
88

Pressure (mb)

1015
1015
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1019
1018
1018
1018
1018
1018

Ozone (du)

353
354
356
353
350
347
345
344
342
351
359
367
370
372
374
376
377
378
376
375

Forecast for Postbridge, Devon, United Kingdom (50.59,-3.91)

Generated: 29/12/25 22:36:14. Forecast: 29/12/25 to 04/01/26. Timezone: UTC+0.00